/*
===========================================================================
This source file is part of DyLab (Dynamic Laboratory)
For the latest info, see http://dylab.googlecode.com

Copyright (c) 2006-2008 Lukas Krejci
(krejci.lukas@volny.cz)

This file is part of DyLab.

    DyLab is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    DyLab is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with DyLab.  If not, see <http://www.gnu.org/licenses/>.
===========================================================================
*/

//===========================================================================================
#include <dylab/simobject/boundarymesh/Vertex.h>

//===========================================================================================
dylab::Vertex::Vertex()
{ }
//-----------------------------------------------------------------------------
dylab::Vertex::Vertex(uint32_t _index, const Vector3 & _position, 
					  const Vector3 & _normal, real_t _u, real_t _v)
: mIndex(_index), mPosition(_position), mNormal(_normal), mTextureU(_u), mTextureV(_v)
{ }
//-----------------------------------------------------------------------------
void dylab::Vertex::beginNormalCalculation()
{ 
    mNormal = Vector3::ZERO; 
    mFaceNormalCounter = 0; 
}               
//-----------------------------------------------------------------------------
void dylab::Vertex::addFaceNormal(const Vector3 & normal)
{ 
    mNormal += normal; 
    mFaceNormalCounter++; 
}                
//-----------------------------------------------------------------------------
void dylab::Vertex::endNormalCalculation()
{ 
    mNormal /= static_cast<real_t>(mFaceNormalCounter); 
    mNormal.normalise(); 
}
//-----------------------------------------------------------------------------